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30-min-exercises
30 minute long exercises for the OpenTechSchool Co-Learning in Zurich
BSD 3-Clause "New" or "Revised" License
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a collection of visual mathematical puzzles
#9
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aoloe
opened
4 months ago
aoloe
commented
4 months ago
https://jrmf.org/puzzle/
https://jrmf.org/puzzle/